Symbol iPOS 3100 Product Reference Manual page 17

RS-485 Installation
To install the iPOS 3100 in an RS-485 configuration:
1. Shut off power on the POS host device.
2. Plug the serial cable's 15-pin connector (HDB15) into the serial port on the back of
the iPOS 3100.
3. Plug the SDL connector into the port on the POS host device.
iPOS 3100
SDL Connector
Figure 1-3. RS-485 Configuration
HDB15 Connector
Getting Started
Host Device
1-5